stats.py 文件源码

def load(self):
        # The timer selected by the profiler should never be used, so make
        # sure it doesn't work:
        p = Profile()
        p.get_time = _brokentimer
        log = hotshot.log.LogReader(self._logfn)
        taccum = 0
        for event in log:
            what, (filename, lineno, funcname), tdelta = event
            if tdelta > 0:
                taccum += tdelta

            # We multiply taccum to convert from the microseconds we
            # have to the seconds that the profile/pstats module work
            # with; this allows the numbers to have some basis in
            # reality (ignoring calibration issues for now).

            if what == ENTER:
                frame = self.new_frame(filename, lineno, funcname)
                p.trace_dispatch_call(frame, taccum * .000001)
                taccum = 0

            elif what == EXIT:
                frame = self.pop_frame()
                p.trace_dispatch_return(frame, taccum * .000001)
                taccum = 0

            # no further work for line events

        assert not self._stack
        return pstats.Stats(p)